ARM: OMAP2+: gpmc: Remove unneeded of_node_put()

for_each_node_by_name() automatically calls of_node_put() on each
node passed; so don't do it explicitly unless there's an error.

Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/gpmc.c

@@ -1271,9 +1271,10 @@ static int gpmc_probe_dt(struct platform_device *pdev)
 
 	for_each_node_by_name(child, "nand") {
 		ret = gpmc_probe_nand_child(pdev, child);
-		of_node_put(child);
-		if (ret < 0)
+		if (ret < 0) {
+			of_node_put(child);
 			return ret;
+		}
 	}
 
 	return 0;